21827133

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{331}}^1\times {\mathrm{431}}^1$

素因数の和:785

約数の個数: 24

約数和(自身を含む): 33561216

約数和(自身を除く): 11734083

約数列:

[1, 3, 9, 17, 51, 153, 331, 431, 993, 1293, 2979, 3879, 5627, 7327, 16881, 21981, 50643, 65943, 142661, 427983, 1283949, 2425237, 7275711, 21827133]

約数ペア:

[(1, 21827133), (3, 7275711), (9, 2425237), (17, 1283949), (51, 427983), (153, 142661), (331, 65943), (431, 50643), (993, 21981), (1293, 16881), (2979, 7327), (3879, 5627)]